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Science, Ch. 4 Carry-over Questions
Test Description: States of Matter
Instructions: Answer all questions to get your test result.
1) _______________ has mass and takes up space.
A
Light
B
Thought
C
Air
D
Emotion
2) To make a scale drawing of a basketball court, which of the following scales would be most useful?
A
1 m = 1 km
B
1 m = 1 cm
C
1 cm = 1 m
D
1 km = 1 m
3) The millions of compounds that exist are made from approximately __________ elements.
A
150
B
115
C
50
D
75
4) A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ______________.
A
30
B
52
C
56
D
26
5) If you were to round off the measurement 2.33501 grams to three digits, you would get _____________.
A
2.34 g
B
2.35 g
C
2.33 g
D
2.36 g
6) Which of these statements about matter is NOT true?
A
During chemical changes, matter is destroyed.
B
Matter is made up of atoms.
C
Matter has mass and takes up space.
D
Matter can be divided into pure substances and mixtures.
7) SI units are useful because they are all related by multiples of ______________.
A
five
B
two
C
50
D
10
8) Experiments and investigations must be _______________.
A
repeatable
B
accepted
C
approved
D
unreproduceable
9) A cubic centimeter can be expressed as ______________.
A
ct
B
ccm
C
cm^3 or cc
D
ccm^3
10) Which of the following CANNOT be classified as matter?
A
alpha particles
B
an odorless, colorless gas
C
an electron cloud
D
the heat given off by a light bulb
11) All _____________ except mercury are solids at room temperature.
A
the timing of the throws
B
the accuracy of the throws
C
the speed of the throws
D
the precision of the throws
12) When evaluating a paper delivery, a homeowner would be most concerned about ________________.
A
mixtures
B
metalloids
C
nonmetals
D
metals
13) Most of the mass in an atom is found in its __________.
A
electron cloud
B
nucleus
C
mass number
D
atomic number
14) How many atoms of calcium are in a unit of calcium phosphate whose formula is CA3(PO4)2
A
three
B
four
C
one
D
two
15) The three branches of science are ____________, Earth, and physical.
A
chemistry
B
physics
C
life
D
space
16) For most substances, the distance between particles is smallest when the substance ______________.
A
exists as a crystalline solid
B
exists as an amorphous solid
C
exixts as a gas
D
exists as a liquid
*select an answer for all questions
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